Order of Operations

Rules

100

What is the first step to solve using order of operations?

Parentheses

200

What is the second step to solve using order of operations?

Exponents

300

What is the third step to solve using order of operations?

Multiplication or Divison

400

What is the fourth step to solve using order of operations?

Addition or Subtraction

500

Why is it important to use PEMDAS to solve expressions?

So everyone can solve every problem the same (correct) way.

Solve

100

(15 - 8) + (5x4)

27

200

7 + (2 x 4) - 1

14

300

20 – (5+3) x 2 + 4

8

400

[(5 x 4) – 6] ÷ 2 + 9

16

500

[(5 + 14) ÷ 2] × 5

50

Write the Expression

100

The sum of 5 and 6, then multiplied by 3.

(5+6) x 3

200

3 more than the product of 2 and 4

3 + (2 x 4) 

2 x 4 + 3

300

23 minus 4 plus 6

23-4+6

400

The difference of 15 and 5, then divide by 2

(15-5) / 2

500

The product of 6 and 8, then increased by 2.

(6x8) + 2